/* jshint esversion: 6 */
import {login, logout, getInfo} from '@/api/user';
import {getToken, setToken, removeToken} from '@/utils/auth';
import {resetRouter} from '@/router';

const getDefaultState = () => {
  return {
    token: getToken(),
    name: '',
    avatar: ''
  };
};

const state = getDefaultState();

const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState());
  },
  SET_TOKEN: (state, token) => {
    state.token = token;
  },
  SET_NAME: (state, name) => {
    state.name = name;
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar;
  }
}

const actions = {
  // 登录方法
  login({commit}, userInfo) {
    const {username, password} = userInfo;
    return new Promise((resolve, reject) => {
      login({username: username.trim(), password: password}).then(response => {
        const {data} = response;
        commit('SET_TOKEN', data.token);
        setToken(data.token);
        resolve();
      }).catch(error => {
        reject(error);
      });
    });
  },

  // 获取用户信息
  getInfo({commit, state}) {
    return new Promise((resolve, reject) => {
      getInfo(state.token).then(response => {
        const {data} = response;
        if (!data) {
          return reject('验证失败，请重新登录!');
        }

        const {name, avatar} = data;
        commit('SET_NAME', name);
        commit('SET_AVATAR', avatar);
        resolve(data);
      }).catch(error => {
        reject(error);
      });
    });
  },

  // 登出操作
  // logout({commit, state}) {
  //   return new Promise((resolve, reject) => {
  //     logout(state.token).then(() => {
  //       removeToken() // must remove  token  first
  //       resetRouter()
  //       commit('RESET_STATE')
  //       resolve()
  //     }).catch(error => {
  //       reject(error)
  //     })
  //   })
  // },

  // 删除token
  resetToken({commit}) {
    return new Promise(resolve => {
      removeToken(); // must remove  token  first
      commit('RESET_STATE');
      resolve();
    });
  }
};

export default {
  namespaced: true,
  state,
  mutations,
  actions
};

